/*
 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.fu.kofu

import org.springframework.beans.factory.getBeanNamesForType
import org.springframework.boot.autoconfigure.context.MessageSourceInitializer
import org.springframework.context.MessageSource
import org.springframework.context.support.GenericApplicationContext


/**
 * Kofu top level DSL for application which allows to configure a Spring Boot
 * application using Kofu and functional bean registration.
 *
 * @sample org.springframework.fu.kofu.samples.webFluxApplicationDsl
 * @param dsl The `application { }` DSL
 * @see application
 * @author Sebastien Deleuze
 */
open class ApplicationDsl internal constructor(private val dsl: ApplicationDsl.() -> Unit) : ConfigurationDsl({}) {

	override fun initialize(context: GenericApplicationContext) {
		super.initialize(context)
		dsl()
		if (context.beanFactory.getBeanNamesForType<MessageSource>().isEmpty()) {
			MessageSourceInitializer().initialize(context)
		}
	}

}
